ClassCastException when using ParallelMultiSearcher.search(Query query, Filter
filter, int n, Sort sort)
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Key: LUCENE-1271
URL: https://issues.apache.org/jira/browse/LUCENE-1271
Project: Lucene - Java
Issue Type: Bug
Components: Search
Affects Versions: 2.3.1, 2.3
Environment: MS Windows XP (SP 2), JDK 1.5.0 Update 12
Reporter: Kai Burjack
Priority: Critical
Stacktrace-Output in Console:
Exception in thread "MultiSearcher thread #1" java.lang.ClassCastException:
org.apache.lucene.search.ScoreDoc
at
org.apache.lucene.search.FieldDocSortedHitQueue.lessThan(FieldDocSortedHitQueue.java:105)
at org.apache.lucene.util.PriorityQueue.upHeap(PriorityQueue.java:139)
at org.apache.lucene.util.PriorityQueue.put(PriorityQueue.java:53)
at
org.apache.lucene.util.PriorityQueue.insertWithOverflow(PriorityQueue.java:78)
at org.apache.lucene.util.PriorityQueue.insert(PriorityQueue.java:63)
at
org.apache.lucene.search.MultiSearcherThread.run(ParallelMultiSearcher.java:272)
Exception in thread "MultiSearcher thread #2" java.lang.ClassCastException:
org.apache.lucene.search.ScoreDoc
at
org.apache.lucene.search.FieldDocSortedHitQueue.lessThan(FieldDocSortedHitQueue.java:105)
at org.apache.lucene.util.PriorityQueue.upHeap(PriorityQueue.java:139)
at org.apache.lucene.util.PriorityQueue.put(PriorityQueue.java:53)
at
org.apache.lucene.util.PriorityQueue.insertWithOverflow(PriorityQueue.java:78)
at org.apache.lucene.util.PriorityQueue.insert(PriorityQueue.java:63)
at
org.apache.lucene.search.MultiSearcherThread.run(ParallelMultiSearcher.java:272)
Stack-Trace in resulting exception while performing the JUnit-Test:
java.lang.ClassCastException: org.apache.lucene.search.ScoreDoc
at
org.apache.lucene.search.FieldDocSortedHitQueue.lessThan(FieldDocSortedHitQueue.java:105)
at org.apache.lucene.util.PriorityQueue.downHeap(PriorityQueue.java:155)
at org.apache.lucene.util.PriorityQueue.pop(PriorityQueue.java:106)
at
org.apache.lucene.search.ParallelMultiSearcher.search(ParallelMultiSearcher.java:146)
at org.apache.lucene.search.Searcher.search(Searcher.java:78)
at <class calling the Searcher.search(Query query, Filter filter, int
n, Sort sort) method with filter:<null> and sort:<null>>
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at junit.framework.TestCase.runTest(TestCase.java:154)
at junit.framework.TestCase.runBare(TestCase.java:127)
at junit.framework.TestResult$1.protect(TestResult.java:106)
at junit.framework.TestResult.runProtected(TestResult.java:124)
at junit.framework.TestResult.run(TestResult.java:109)
at junit.framework.TestCase.run(TestCase.java:118)
at junit.framework.TestSuite.runTest(TestSuite.java:208)
at junit.framework.TestSuite.run(TestSuite.java:203)
at
org.eclipse.jdt.internal.junit.runner.junit3.JUnit3TestReference.run(JUnit3TestReference.java:130)
at
org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:460)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:673)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:386)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:196)
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